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Merge 10.3 into 10.4

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This commit is contained in:
Marko Mäkelä
2020-05-16 07:54:09 +03:00
parent 9e6e43551f 38d62189a8
commit 66f1e288a1
7 changed files with 93 additions and 12 deletions
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9
sql/item_subselect.cc
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@@ -2190,10 +2190,13 @@ Item_in_subselect::create_single_in_to_exists_cond(JOIN *join,
}
else
{
/*
No need to use real_item for the item, as the ref items that are possible
in the subquery either belong to views or to the parent select.
For such case we need to refer to the reference and not to the original
item.
*/
Item *item= (Item*) select_lex->item_list.head();
if (item->type() != REF_ITEM ||
((Item_ref*)item)->ref_type() != Item_ref::VIEW_REF)
item= item->real_item();
if (select_lex->table_list.elements)
{